package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("abc.jpg");
        FileOutputStream fos=new FileOutputStream("abc_cp.jpc");
        long start= System.currentTimeMillis();
        byte[] data=new byte[1024*10];
        while (fis.read(data)!=-1){
            fos.write(data);
        }
        long end=System.currentTimeMillis();
        System.out.println(end-start);
        /*
        FileInputStream fis=new FileInputStream("abc.jpg");
        FileOutputStream fos=new FileOutputStream("abc_cp.jpg");
        long start=System.currentTimeMillis();
        byte[] data=new byte[1024*10];
        while (fis.read(data)!=-1){
            fos.write(data);
        }
        long end=System.currentTimeMillis();
        System.out.println(end-start);
        fis.close();
        fos.close();

         */
    }
}
